[mythtv-users] Ahh - Evil xorg and modelines

Damian Surr damian at gingermagic.co.uk
Wed Jun 6 10:59:05 UTC 2007


Unfortunately, that's the same modeline generator I've spent most of my 
time with, and nothing I do in there seems to work at all.

Off to check my logs.

Damian

Damian Surr wrote:
> I'm conecting to the projector via a DVI-D to DVI-D cable and using a 
> nVidia5200 card.
>
> I'll try your link now.
>
> Thanks
> Damian
>
> Steve Smith wrote:
>   
>> How are you feeding the projector? (Svideo, HDMI etc etc.)
>> What vid card are you using?
>>
>> From the table you've given:
>>
>> Timing chart:
>> Supported timing for PC input
>>              Horizontal Vertical   Pixel
>> Resolution    Frequency  Frequency  Frequency  Mode
>>              (kHz)      (Hz)       (MHz)
>>              48.363     60.004     65.000     XGA_60
>>              56.476     70.069     75.000     XGA_70
>> 1024 x 768     60.023     75.029     78.750     XGA_75
>>              68.667     84.997     94.500     XGA_85
>>
>> I can't deduce working modelines but:
>>
>> Pixel frequency= dot clock = the first number in the modeline
>> The horiz freq and vert freq will be what the thing is running at in 
>> those modes. In the site below these are called "horizontal sync rate" 
>> and "refresh rate". Try getting the XGA_75 line working....
>>
>> Modelin generator page:
>> http://xtiming.sourceforge.net/cgi-bin/xtiming.pl
>>
>> Cheers
>>
>> Steve
>>
>> On 06/06/07, *William Munson* <william_munson at bellsouth.net 
>> <mailto:william_munson at bellsouth.net>> wrote:
>>
>>     Damian Surr wrote:
>>     > I'm ripping my hair out here. Trying every modeline under the
>>     sun but
>>     > can't get the screen to put up anything other than the default
>>     800x600.
>>     >
>>     > Could someone tell me how to at least see whatever error
>>     messages may be
>>     > being given? All I know at the moment is that everytime a
>>     restart X or
>>     > reboot it looks exactly the same still, so I try one other
>>     alternative
>>     > way of adjusting the modeline etc. I'm working blind though as I
>>     don't
>>     > know how to see any error output.
>>     >
>>     > Cheers
>>     > Damian
>>     >
>>
>>     A couple of others have given you the log paths. Possible reason for
>>     your 800x600 limit, outputting to S-video or composite. That is
>>     the max
>>     for those outputs. HDMI or standard VGA output could be reading
>>     the info
>>     provided by the monitor which is telling it that 800x600  is the max.
>>
>>
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